Welcome to the MicroTim â¢ Altimeter Website !! Why use a MicroTim Precision Digital Barometric Altimeter / Barometer / VSI? MicroTim is FASTER and MORE ACCURATE than any typical GPS unit or wristwatch altimeter. Â· Lightweight and portable. Easily moves from truck to backpack to recreational vehicle. Dimensions 3âx1.5âx3/4â. Weighs less than 2 oz. Â· Large Display (3/8â tall numbers).
This type of headache occurs while sleeping and is also referred to as alarm clock headaches because they occur at the same time every night. Causes range from changes in small vessels in the cerebrovascular system to previous head injuries. This type of headache is more common in people over the age of 50.
Headache has been linked to a wide range of sleep disorders in adults, adolescents and children. Among patients with migraine and tension type headache, insomnia is the most common sleep complaint, reported by one-half to two-thirds of headache clinic patients. One of the largest clinical studies published to date reported sleep complaints among 1,283 migraineurs presenting for headache treatment.